INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING TERMINAL, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To provide an information processing device, information processing terminal, information processing system, and information processing method capable of securing not only the safety of a communication path but also the safety of a processing system.SOLUTION: An information processing device 110 of the present invention includes: a key management unit 113 that shares a session key with an information processing terminal 120; and a data processing unit 114 that encrypts and decrypts data transmitted/received to/from the information processing terminal 120, by using the session key. The key management unit 113 and data processing unit 114 are included in a tamper-resistant processing unit 115 having tamper-resistant properties.